EP0488083A3 - Contact material for a vacuum interrupter - Google Patents

Contact material for a vacuum interrupter Download PDF

Info

Publication number
EP0488083A3
EP0488083A3 EP19910119975 EP91119975A EP0488083A3 EP 0488083 A3 EP0488083 A3 EP 0488083A3 EP 19910119975 EP19910119975 EP 19910119975 EP 91119975 A EP91119975 A EP 91119975A EP 0488083 A3 EP0488083 A3 EP 0488083A3
Authority
EP
European Patent Office
Prior art keywords
contact material
vacuum interrupter
interrupter
vacuum
contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19910119975
Other versions
EP0488083A2 (en
EP0488083B1 (en
Inventor
Tsutomu Okutomi
Atsushi Yamamoto
Tsuneyo Seki
Mikio Okawa
Mitsutaka Honma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of EP0488083A2 publication Critical patent/EP0488083A2/en
Publication of EP0488083A3 publication Critical patent/EP0488083A3/en
Application granted granted Critical
Publication of EP0488083B1 publication Critical patent/EP0488083B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • H01H1/023—Composite material having a noble metal as the basic material
    • H01H1/0233—Composite material having a noble metal as the basic material and containing carbides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
EP91119975A 1990-11-28 1991-11-22 Contact material for a vacuum interrupter Expired - Lifetime EP0488083B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2327555A JP2778826B2 (en) 1990-11-28 1990-11-28 Contact material for vacuum valve
JP327555/90 1990-11-28

Publications (3)

Publication Number Publication Date
EP0488083A2 EP0488083A2 (en) 1992-06-03
EP0488083A3 true EP0488083A3 (en) 1993-04-14
EP0488083B1 EP0488083B1 (en) 1997-03-05

Family

ID=18200376

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91119975A Expired - Lifetime EP0488083B1 (en) 1990-11-28 1991-11-22 Contact material for a vacuum interrupter

Country Status (7)

Country Link
US (1) US5420384A (en)
EP (1) EP0488083B1 (en)
JP (1) JP2778826B2 (en)
KR (1) KR950011980B1 (en)
CN (1) CN1022960C (en)
DE (1) DE69124933T2 (en)
TW (1) TW201358B (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2766441B2 (en) * 1993-02-02 1998-06-18 株式会社東芝 Contact material for vacuum valve
US5516995A (en) * 1994-03-30 1996-05-14 Eaton Corporation Electrical contact compositions and novel manufacturing method
TW265452B (en) * 1994-04-11 1995-12-11 Hitachi Seisakusyo Kk
US5701993A (en) * 1994-06-10 1997-12-30 Eaton Corporation Porosity-free electrical contact material, pressure cast method and apparatus
JPH08249991A (en) * 1995-03-10 1996-09-27 Toshiba Corp Contact electrode for vacuum valve
JPH09161628A (en) * 1995-12-13 1997-06-20 Shibafu Eng Kk Contact material for vacuum valve and manufacture thereof
JP3598195B2 (en) * 1997-03-07 2004-12-08 芝府エンジニアリング株式会社 Contact material
CN1050215C (en) * 1997-12-24 2000-03-08 王千 Electric special alloy contact material for low-voltage electric appliance
JP3773644B2 (en) * 1998-01-06 2006-05-10 芝府エンジニアリング株式会社 Contact material
KR100332513B1 (en) 1998-08-21 2002-04-13 니시무로 타이죠 Contact material for vacuum valve and method for fabricating the same
JP4404980B2 (en) * 1999-02-02 2010-01-27 芝府エンジニアリング株式会社 Vacuum valve
TW200710905A (en) 2005-07-07 2007-03-16 Hitachi Ltd Electrical contacts for vacuum circuit breakers and methods of manufacturing the same
CN1812028B (en) * 2006-03-09 2010-11-17 吴学栋 Contact with strong connecting-disconnecting function
JP5350317B2 (en) * 2009-09-30 2013-11-27 株式会社日立製作所 Vacuum switch, electrode for switch or manufacturing method of vacuum switch
CN101979694A (en) * 2010-11-25 2011-02-23 福达合金材料股份有限公司 Voltage-withstanding silver tungsten carbide graphite contact material and preparation method thereof
JP2012134014A (en) * 2010-12-21 2012-07-12 Toshiba Corp Contact material for vacuum valve
US8890019B2 (en) 2011-02-05 2014-11-18 Roger Webster Faulkner Commutating circuit breaker
US9318277B2 (en) * 2013-09-24 2016-04-19 Siemens Industry, Inc. Electrical contact apparatus, assemblies, and methods
JP6302276B2 (en) * 2014-02-12 2018-03-28 日本タングステン株式会社 Electrical contact materials, electrical contact pairs and circuit breakers
JP6381860B1 (en) * 2017-02-22 2018-08-29 三菱電機株式会社 Contact material, manufacturing method thereof and vacuum valve
GB201715588D0 (en) * 2017-09-26 2017-11-08 Belron Int Ltd Curing repair resin
CN115961174A (en) * 2022-12-12 2023-04-14 哈尔滨东大高新材料股份有限公司 Moving contact material for low-voltage electrical apparatus and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807965A (en) * 1972-03-07 1974-04-30 Fuji Electric Co Ltd Contact material for vacuum switch of wc with co-cu binder and method of making
EP0011044A1 (en) * 1978-11-07 1980-05-14 Cime Bocuze Contact material for an electrical device and method of making the same
EP0354997A2 (en) * 1988-08-19 1990-02-21 Kabushiki Kaisha Toshiba Contact forming material for a vacuum interrupter
EP0385380A2 (en) * 1989-03-01 1990-09-05 Kabushiki Kaisha Toshiba Contact forming material for a vacuum interrupter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL241567A (en) * 1958-07-24
GB1020914A (en) * 1961-11-10 1966-02-23 Gen Electric Improvements in vacuum circuit interrupter
GB1257417A (en) * 1970-03-20 1971-12-15
JPS6277439A (en) * 1985-09-30 1987-04-09 Toshiba Corp Contact point material for vacuum valve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807965A (en) * 1972-03-07 1974-04-30 Fuji Electric Co Ltd Contact material for vacuum switch of wc with co-cu binder and method of making
EP0011044A1 (en) * 1978-11-07 1980-05-14 Cime Bocuze Contact material for an electrical device and method of making the same
EP0354997A2 (en) * 1988-08-19 1990-02-21 Kabushiki Kaisha Toshiba Contact forming material for a vacuum interrupter
EP0385380A2 (en) * 1989-03-01 1990-09-05 Kabushiki Kaisha Toshiba Contact forming material for a vacuum interrupter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 11, no. 273 (C-445)4 September 1987 & JP-A-62 077 439 ( TOSHIBA ) 9 April 1987 *

Also Published As

Publication number Publication date
DE69124933D1 (en) 1997-04-10
US5420384A (en) 1995-05-30
JPH04206121A (en) 1992-07-28
TW201358B (en) 1993-03-01
KR950011980B1 (en) 1995-10-13
DE69124933T2 (en) 1997-09-25
CN1062811A (en) 1992-07-15
CN1022960C (en) 1993-12-01
EP0488083A2 (en) 1992-06-03
KR920010693A (en) 1992-06-27
JP2778826B2 (en) 1998-07-23
EP0488083B1 (en) 1997-03-05

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